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Omega Products BT50 Combi Shell Mill Arbor - COMBI27 - 15,000 RPM - G6.3 - 75mm Gauge Length
| Taper | BT50 |
| Spigot Size | 27 |
| Gauge Length | 70 |
| Balance | G6.3@15000RPM |
Learn more about Klarna
The Omega BT50 Combi Shell Mill Arbor COMBI27 is a precision mounting shaft designed to hold shell milling cutters on BT50 spindles. It’s built for machinists, machine shops, and hobbyists who need a reliable, high-speed solution for shell milling operations.
The COMBI27 delivers up to 15,000 RPM with a G6.3 precision rating, providing stable, accurate cuts under demanding milling conditions while remaining straightforward to install and use.
- High-speed capability: Up to 15,000 RPM for fast material removal with stable cutting action on BT50 spindles.
- Precise, repeatable accuracy: G6.3 tolerance ensures low runout and consistent machining results across jobs.
- 75 mm gauge length for rigidity and alignment: Provides a solid interface with shell cutters and dependable seating on BT50 machines.
By pairing robust mechanical fit with controlled precision, the COMBI27 helps you streamline setups, minimize downtime, and achieve reliable finishes at high speeds. The combination of rigidity, precision, and ease of use supports longer tool life, tighter tolerances, and consistent performance across diverse shell milling tasks.
| Taper | BT50 |
| Spigot Size | 27 |
| Gauge Length | 70 |
| Balance | G6.3@15000RPM |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Omega Products BT50 Combi Shell Mill Arbors - 15,000 RPM - G6.3
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